Poker

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Poker
{
    class Poker
    {
        static void Main(string[] args)
        {
            int[] cards = new int[13]; // 2, 3, 4 ... J, Q, K, A

            for (int i = 0; i < 5; i++)
            {
                string card = Console.ReadLine();

                switch (card)
                {
                    case "10": cards[8]++; break;
                    case "J": cards[9]++; break;
                    case "Q": cards[10]++; break;
                    case "K": cards[11]++; break;
                    case "A": cards[12]++; break;
                    default: cards[int.Parse(card) - 2]++; break;
                }
            }

            int twoOfAKind = 0;
            bool threeOfAKind = false;
            bool fourOfAKind = false;
            bool fiveOfAKind = false;
            bool straight = false;

            for (int i = 0; i < cards.Length - 4; i++)
            {
                if (cards[i] == 1 && cards[i + 1] == 1 &&
                    cards[i + 2] == 1 && cards[i + 3] == 1 && cards[i + 4] == 1)
                {
                    straight = true;
                    break;
                }

                if (cards[0] == 1 && cards[1] == 1 &&
                    cards[2] == 1 && cards[3] == 1 && cards[12] == 1)
                {
                    straight = true;
                    break;
                }
            }

            for (int i = 0; i < cards.Length && !straight; i++)
            {
                if (cards[i] == 5)
                {
                    fiveOfAKind = true;
                    break;
                }
                else if (cards[i] == 4)
                {
                    fourOfAKind = true;
                    break;
                }
                else if (cards[i] == 3)
                {
                    threeOfAKind = true;
                }
                else if (cards[i] == 2)
                {
                    ++twoOfAKind;
                }
            }

            if (fiveOfAKind)
            {
                Console.WriteLine("Impossible");
            }
            else if (fourOfAKind)
            {
                Console.WriteLine("Four of a Kind");
            }
            else if (threeOfAKind && twoOfAKind == 1)
            {
                Console.WriteLine("Full House");
            }
            else if (straight)
            {
                Console.WriteLine("Straight");
            }
            else if (threeOfAKind)
            {
                Console.WriteLine("Three of a Kind");
            }
            else if (twoOfAKind == 2)
            {
                Console.WriteLine("Two Pairs");
            }
            else if (twoOfAKind == 1)
            {
                Console.WriteLine("One Pair");
            }
            else
            {
                Console.WriteLine("Nothing");
            }
        }
    }
}